There are two methods of

There are two methods of externally powering up the 1600/1700: AIR-PWRINJ5 and AIR-PWR-B. Both are the same, they provide UP TO 15.4w PoE.

Ok, now here's the crunch. 1700 is an AP capable of 802.11ac (wave 1 and wave 2). If you are planning to use 802.11ac then I'd recommend you power it up using PoE+ (20.0w PoE). If not, then the AP will (or might) "down rate" itself to 2X3:2, instead of 3X3:2.

Is there any cisco document

Is there any cisco document or slide metioning 1700 is capable of 802.11ac(wave 1 and wave 2) ?

Yes and no. Let me explain.

1. According to the Data Sheet, 1700 is capable of doing 802.11ac. This automatically means 802.11ac wave 1.

2. Flip the unit around and you'll see not one but TWO (2) Ethernet ports (the second one is marked as AUX). 802.11ac wave 2 APs, like the 2700, comes with two Ethernet ports. The 2nd port will be used (in later date and firmware release) to be able to form an Etherchannel.

There is a problem in the CDP

There is a problem in the CDP negotiation between the AP and switch. The AP 1702 (standalone) demand to 16.8 watts ( most of 15.4W that supports PoE ) , which causes the port off and on again to restart the negotiation CDP . Now when you connect the AP directly as is ( in lightweight mode) using a controller to manage it , no problems with CDP negotiations are reported , implying that there are no problems with feeding PoE ( 802.3af )

My question is: If the AP is powered by a 802.3af switch, is the AP fully functional , or lose any functionality? Why demand 16.8 watts ?

The 2702 AP can run on 802.3af (max of 15.4W), but it will downgrade to a 3x3:3 on the 5GHz radio and a 2x2:2 on the 2.4GHz radio. Is any similar the 1702 AP?

In my experience AP1702

In my experience AP1702 lightweight it's not fully compatible with 802.3af power sources, i've seen in that cases the wlc suddenly disabling 5ghz interface on the ap in order to comply with power source.

I started up my new 9800-40 for exploration. only the Service port patched to local switch and given local IP.I can telnet to it but can't authenticate ssh..The GUI is functional but I do not yet have AAA server data to feed it.I can't ping in or ou...
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